Kai Laskos
Kai Laskos,
a Romanian physicist and Ph.D. working on theoretical physics at IFIN HH, the Horia Hulubei National Institute of Physics and Nuclear Engineering [2] in Bucharest.
His recreational interests include classical music, history, anthropology, and computer chess and Go.
His professional expertise in statistics made him a recognized computer chess and Go theorist [3]
in the field of match statistics in engine testing.
Forum Posts
2010 ...
2011
- Just stumbled upon an open-source free engine by Kai Laskos, CCC, January 21, 2011 » IvanHoe
- Top 5 engines. Large, 10,000 games test by Kai Laskos, CCC, April 06, 2011
2012
- Go questions by Kai Laskos, CCC, February 13, 2012 » Go
- Rybka odds matches and the strength of engines by Kai Laskos, CCC, June 09, 2012 » Rybka
- Playing with ponder hits by Kai Laskos, CCC, June 12, 2012 » Pondering
- EloStat, Bayeselo and Ordo by Kai Laskos, CCC, June 24, 2012 » EloStat, Bayeselo, Ordo
- Komodo strength v Houdini (branch salvaged) by Kai Laskos, CCC, July 25, 2012 » Komodo, Houdini
- 10 years of Computer Chess by Kai Laskos, CCC, November 08, 2012
- The scaling of Houdini 3 and Komodo 5 by Kai Laskos, CCC, November 08, 2012 » Houdini, Komodo
- Elo points gain from doubling time by Kai Laskos, CCC, December 10, 2012 » Komodo
- Engines performance for selected openings by Kai Laskos, CCC, December 23, 2012
2013
- Abnormality in women FIDE ratings by Kai Laskos, CCC, January 30, 2013
- Performances of engines in the Endgame by Kai Laskos, CCC, January 31, 2013
- Updated Dendrogram by Kai Laskos, CCC, February 02, 2013 [4]
- Effect of the Hash Table size by Kai Laskos, CCC, April 28, 2013 » Transposition Table
- Branching Factor of top engines by Kai Laskos, CCC, June 15, 2013 » Branching Factor
- Peculiarity of Komodo 5.1MP by Kai Laskos, CCC, June 19, 2013 » Komodo
- The influence of the length of openings by Kai Laskos, CCC, July 14, 2013
- Scaling at 2x nodes (or doubling time control) by Kai Laskos, CCC, July 23, 2013 » Doubling TC, Diminishing Returns, Playing Strength, Houdini
- Type I error in LOS based early stopping rule by Kai Laskos, CCC, August 06, 2013 [5]
- What happens using egbb by Kai Laskos, CCC, October 12, 2013 » Endgame Bitbases
- Houdini, much weaker engines, and Arpad Elo by Kai Laskos, CCC, November 29, 2013 » Houdini, Pawn Advantage, Win Percentage, and Elo [6]
- STS and the scaling of Houdini and Stockfish by Kai Laskos, CCC, December 12, 2013 » Houdini, Stockfish
2014
- Stockfish seems definitely the strongest engine by Kai Laskos, CCC, January 21, 2014 » Stockfish
- Performance of Syzygy and Scorpio by Kai Laskos, CCC, February 04, 2014 » Syzygy Bases, Scorpio Bitbases
- Empirically 1 win + 1 loss ~ 2 draws by Kai Laskos, CCC, June 24, 2014
- Some fun with Komodo 8 by Kai Laskos, CCC, September 23, 2014 » Komodo 8, EBF
- Scaling with threads based on Andreas Strangmüller tests by Kai Laskos, CCC, October 24, 2014 » Andreas Strangmüller
2015 ...
- Ten years of Computer Chess revisited by Kai Laskos, CCC, March 13, 2015
- An attempt to measure the knowledge of engines by Kai Laskos, CCC, March 23, 2015
- Empirical results with Lazy SMP, YBWC, DTS by Kai Laskos, CCC, April 16, 2015 » Lazy SMP, YBWC, DTS
- Significant modification of Komodo SMP implementation by Kai Laskos, CCC, June 23, 2015 » Komodo
- A simple expression by Kai Laskos, CCC, December 09, 2015
2016
- Some properties of the Type I error in p-value stopping rule by Kai Laskos, CCC, March 01, 2016
- Type I error for p-value stopping: Balanced and Unbalanced by Kai Laskos, CCC, June 16, 2016
- Error margins via resampling (jackknifing) by Kai Laskos, CCC, August 12, 2016 » Statistical Analysis [7] [8]
- Properties of unbalanced openings using Bayeselo model by Kai Laskos, CCC, August 27, 2016 » Match Statistics, Opening Book
- Some hyperthreading results by Kai Laskos, CCC, September 12, 2016 » Lazy SMP, Thread, YBWC
- Stockfish underpromotes much more often than Komodo by Kai Laskos, CCC, October 05, 2016 » Komodo, Match Statistics, Promotions, Stockfish
- Differences between top engines related to "style" by Kai Laskos, October 07, 2016
- The scaling of Deep Learning MCTS Go engines by Kai Laskos, CCC, October 23, 2016 » Deep Learning, Go, MCTS
- Opening performance of engines by Kai Laskos, CCC, October 28, 2016 » Opening, Test-Positions
- Diminishing returns and hyperthreading by Kai Laskos, CCC, December 27, 2016 » Diminishing Returns, Match Statistics, Thread
2017
- Progress in 30 years by four intervals of 7-8 years by Kai Laskos, CCC, January 19, 2017 » Match Statistics, Playing Strength
- Higher than expected by me efficiency of Ponder ON by Kai Laskos, CCC, March 06, 2017 » Match Statistics, Pondering
- What can be said about 1 - 0 score? by Kai Laskos, CCC, March 28, 2017 » Match Statistics
- 6-men Syzygy from HDD and USB 3.0 by Kai Laskos, CCC, April 04, 2017 » Komodo, Playing Strength, Syzygy Bases, USB 3.0
- Scaling of engines from FGRL rating list by Kai Laskos, CCC, April 07, 2017 » FGRL
- Another attempt at comparing Evals ELO-wise by Kai Laskos, CCC, May 22, 2017 » Evaluation, Playing Strength
- Opening testing suites efficiency by Kai Laskos, CCC, June 21, 2017 » Engine Testing, Opening, Match Statistics
- Invariance with time control of rating schemes by Kai Laskos, CCC, July 22, 2017 [9]
- Ways to avoid "Draw Death" in Computer Chess by Kai Laskos, CCC, July 25, 2017
- Scaling from FGRL results with top 3 engines by Kai Laskos, CCC, September 26, 2017 » FGRL, Houdini, Komodo, Stockfish
2018
- Queen versus two Rooks performance of top engines by Kai Laskos, CCC, January 10, 2018
- A Chess variant with low draw rate by Kai Laskos, CCC, January 19, 2018 » Chess Variants
- Time control envelope in top engines could be improved? by Kai Laskos, CCC, March 13, 2018 » Time Management
- LCZero: Progress and Scaling. Relation to CCRL Elo by Kai Laskos, CCC, March 28, 2018 » Playing Strength
- Why Lc0 eval (in cp) is asymmetric against AB engines? by Kai Laskos, CCC, July 25, 2018 » Lc0, Asymmetric Evaluation, Pawn Advantage, Win Percentage, and Elo
- Some properties of Lc0 playing by Kai Laskos, CCC, September 14, 2018
- Leela doesn't obey well the Elo curve set by regular engines by Kai Laskos, CCC, September 26, 2018 » Leela Chess Zero
- Komodo MCTS scales worse with TC than Komodo A/B? by Kai Laskos, CCC, November 08, 2018 » Komodo
- 2900 Elo points progress, 10 million games, 330 nets by Kai Laskos, CCC, November 25, 2018 » Lc0
- Scaling of Lc0 at high Leela Ratio by Kai Laskos, CCC, November 27, 2018
- Smallnet (128x10) run1 progresses remarkably well by Kai Laskos, CCC, December 19, 2018
2019
- Interesting article in "Nature" on Machine Learning by Kai Laskos, CCC, January 09, 2019 » Learning
- Schizophrenic rating model for Leela by Kai Laskos, CCC, January 21, 2019 » Match Statistics, Leela Chess Zero
- Middlegame positional test-suite by Kai Laskos, CCC, April 07, 2019 » Middlegame, Test-Positions
- How to get the "usual" Multi PV with MCTS engines? by Kai Laskos, CCC, May 21, 2019 » MultiPV, MCTS
- Why are super top professional Go players so stupid? by Kai Laskos, CCC, June 02, 2019
- ChessBase's prophecy of 2004 fulfilled in 2019 by Kai Laskos, CCC, June 17, 2019 » ChessBase
- Is there a standard in implementing MultiPV in regular engines? by Kai Laskos, CCC, June 30, 2019 » MultiPV
- Is e4 significantly better than d4? by Kai Laskos, CCC, September 13, 2019
- Some words on Leela Go Zero by Kai Laskos, CCC, October 28, 2019 » Leela Zero
2020 ...
- Stockfish_dev is probably stronger than Sargon 1978 v1.00 by Kai Laskos, CCC, May 29, 2020 » Stockfish, Sargon
- What happens with my hyperthreading? by Kai Laskos, CCC, August 06, 2020 » Thread, Stockfish NNUE
- Progress of Stockfish in 6 days by Kai Laskos, CCC, August 12, 2020 » Stockfish NNUE
- Jackknife estimate of the variance of engine results for Arasan test suite by Kai Laskos, CCC, September 05, 2020 » Statistical Analysis
- I stumbled upon this article on the new Nvidia RTX GPUs by Kai Laskos, CCC, September 10, 2020 » Nvidia, GPU
- Armageddon scoring doesn't enhance the resolution power of the test suite by Kai Laskos, CCC, September 11, 2020
- Maybe not the best diversity of strongest chess engines under development by Kai Laskos, CCC, November 14, 2020 » Engine Similarity, NNUE
- ZZ-tune conclusively better than the Kiudee default for Lc0 by Kai Laskos, CCC, December 01, 2020 » Lc0 [10]
References
- ↑ Photo courtesy Kai Laskos
- ↑ Horia Hulubei National Institute of Physics and Nuclear Engineering
- ↑ A Gross Miscarriage of Justice in Computer Chess (part two) by Søren Riis, ChessBase News, January 03, 2012
- ↑ Dendrogram from Wikipedia
- ↑ Type I and type II errors from Wikipedia
- ↑ Arpad Elo - Wikipedia
- ↑ Resampling (statistics) from Wikipedia
- ↑ Jackknife resampling from WIkipedia
- ↑ Normalized Elo (pdf) by Michel Van den Bergh
- ↑ GitHub - kiudee/chess-tuning-tools by Karlson Pfannschmidt